jon: carl cameron there covering the big convention. carl, thank you. >>> and the day before that convention gets underway, democrats are still struggling to come up with a good answer to that simple question that carl was referring to, are americans better off now than they were four years ago? well, today some of the president's surrogates are trying to walk back answers that they gave on the sunday talk shows. here's one of them yesterday. >> can you honestly say that people are better off today than they were four years ago? >> no, but that's not the question of this election. the question without a doubt, we are not as well off as we were before george bush brought us the bush job losses, the bush recession, the bush deficits, the series of desert wars charged for the first time to credit card by -- >> yeah, but -- jon: so let's talk about that answer with our senior political analyst brit hume. you've asked a lot of questions of a lot of politicians, brit. when he said, no, we aren't better off than we were four years ago, what do